A: A stable community should show much variat | vedclass

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(D) According to David Tilman's long-term ecosystem experiments,a stable community should not show too much variation in productivity from year to yea

Vedclass · Accepted Answer

Both Assertion and Reason are incorrect.

Vedclass · Answer

(D) According to David Tilman's long-term ecosystem experiments,a stable community should not show too much variation in productivity from year to year.Therefore,the Assertion $(A)$ is incorrect.$A$ stable community must be resilient to occasional disturbances (either natural or man-made).Therefore,the Reason $(R)$ is also incorrect.Thus,both Assertion and Reason are incorrect.

$A$: $A$ stable community should show much variation in year-to-year productivity.
$R$: It must not be resilient to occasional disturbance.

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$A$: $A$ stable community should show much variation in year-to-year productivity.$R$: It must not be resilient to occasional disturbance.